Fault classification in the process industry using polygon generation and deep learning

M Elhefnawy, A Ragab, MS Ouali - Journal of Intelligent Manufacturing, 2022 - Springer
This paper proposes a novel data preprocessing method that converts numeric data into
representative graphs (polygons) expressing all of the relationships between data variables …

Multi-scenario and multi-stage robust NMPC with state estimation application on the Tennessee-Eastman process

CAE Casas, M Valipour, LAR Sandoval - Control Engineering Practice, 2023 - Elsevier
This study presents the implementation of two discrete robust approaches to Non-linear
Model Predictive Control (NMPC), multi-scenario NMPC (MSc-NMPC) and multi-stage …

Total plant performance evaluation based on big data: Visualization analysis of TE process

M Li, W Du, F Qian, W Zhong - Chinese journal of chemical engineering, 2018 - Elsevier
The performance evaluation of the process industry, which has been a popular topic
nowadays, can not only find the weakness and verify the resilience and reliability of the …

Stochastic and global real time optimization of Tennessee Eastman challenge problem

M Golshan, MR Pishvaie, RB Boozarjomehry - Engineering Applications of …, 2008 - Elsevier
A stochastic real time optimization (SRTO) which has an efficient result has been
implemented on the Tennessee Eastman (TE) challenging problem. In this article a novel …

Internal modifier adaptation for the optimization of large-scale plants with inaccurate models

A Papasavvas, G Francois - Industrial & Engineering Chemistry …, 2019 - ACS Publications
Modifier adaptation (MA) methods are iterative model-based real-time optimization (RTO)
methods with the proven ability to reach, upon converge, the unknown optimal steady-state …

Probabilistic modeling and dynamic optimization for performance improvement and risk management of plant-wide operation

Y Yang, JM Lee - Computers & Chemical Engineering, 2010 - Elsevier
This study presents a novel algorithm for constructing a probabilistic model based on
historical operation data and performing dynamic optimization for plant-wide control …

Fault detection of large-scale process control system with higher-order statistical and interpretative structural model

Z Geng, K Yang, Y Han, X Gu - Chinese Journal of Chemical Engineering, 2015 - Elsevier
Nonlinear characteristic fault detection and diagnosis method based on higher-order
statistical (HOS) is an effective data-driven method, but the calculation costs much for a large …

Development of Digital Twins for Continuous Processes: Concept Description of Virtual Mass Balance Based on the Tennessee Eastman Process

J Fudyma, Ł Kura, J Gębicki - Processes, 2025 - mdpi.com
In this work, the authors describe a concept called Virtual Mass Balance and its applicability
to oil and gas fields. This study relies on data modelling and data engineering to enrich …

From real-time optimization techniques to an autopilot for steady-state processes

A Papasavvas - arXiv preprint arXiv:2108.08715, 2021 - arxiv.org
Any industrial system goes along with objectives to be met (eg economic performance),
disturbances to handle (eg market fluctuations, catalyst decay, unexpected variations in …

A Dynamic Real-Time Optimization Strategy for the Tennessee Eastman Benchmark

AM Sahlodin, RB Boozarjomehry, M Fakhroleslam - 2023 - researchsquare.com
Conventional real-time optimization (RTO) algorithms provide the steady-state set points at
which the process would operate economically. However, the process may suffer from …